From fc458dcda27c6d26cb11ef9ee9c1c3599711be94 Mon Sep 17 00:00:00 2001
From: "ecashin@coraid.com" <ecashin@coraid.com>
Date: Mon, 18 Apr 2005 22:00:17 -0700
Subject: [PATCH] [PATCH] aoe 1/12: remove too-low cap on minor number
remove too-low cap on minor number
Signed-off-by: Ed L. Cashin <ecashin@coraid.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/block/aoe/aoe.h | 5 +++++
drivers/block/aoe/aoecmd.c | 9 +++++----
2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h
index db78f826d40c..551dd8e5b14b 100644
--- a/drivers/block/aoe/aoe.h
+++ b/drivers/block/aoe/aoe.h
@@ -2,9 +2,14 @@
#define VERSION "5"
#define AOE_MAJOR 152
#define DEVICE_NAME "aoe"
+
+/* set AOE_PARTITIONS to 1 to use whole-disks only
+ * default is 16, which is 15 partitions plus the whole disk
+ */
#ifndef AOE_PARTITIONS
#define AOE_PARTITIONS 16
#endif
+
#define SYSMINOR(aoemajor, aoeminor) ((aoemajor) * 10 + (aoeminor))
#define AOEMAJOR(sysminor) ((sysminor) / 10)
#define AOEMINOR(sysminor) ((sysminor) % 10)
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index fb6d942a4565..1b711a52dd25 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -577,7 +577,7 @@ aoecmd_cfg_rsp(struct sk_buff *skb)
struct aoe_cfghdr *ch;
ulong flags, bufcnt, sysminor, aoemajor;
struct sk_buff *sl;
- enum { MAXFRAMES = 8, MAXSYSMINOR = 255 };
+ enum { MAXFRAMES = 8 };
h = (struct aoe_hdr *) skb->mac.raw;
ch = (struct aoe_cfghdr *) (h+1);
@@ -594,9 +594,10 @@ aoecmd_cfg_rsp(struct sk_buff *skb)
}
sysminor = SYSMINOR(aoemajor, h->minor);
- if (sysminor > MAXSYSMINOR) {
- printk(KERN_INFO "aoe: aoecmd_cfg_rsp: sysminor %ld too "
- "large\n", sysminor);
+ if (sysminor * AOE_PARTITIONS + AOE_PARTITIONS > MINORMASK) {
+ printk(KERN_INFO
+ "aoe: e%ld.%d: minor number too large\n",
+ aoemajor, (int) h->minor);
return;
}
--
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